②148+263+152+37=（____+____）+（____+____）

③（a+20）×b=____×b____20×____

④e÷2÷5=e____（2____5）

⑤8-a-c=8____（a____c）

改革与创新，是生产力不断发展的动力，下图是唐朝时期改进和创制的两种工具，它们是(     )

①曲辕犁                  ②直辕犁                  ③水排                     ④筒车             ⑤翻车

⑴____ Where are my glasses, Mum?

⑵____ Are they in your bedroom?

⑶____ Is your sister in her bedroom?

⑷____ Who's in the living room?

⑸____ What can you see in Zoom's room?

A．No，they aren't.They are in the kitchen.

B．I can see a bed，a desk and a big sofa.

C．They are on the fridge.

D．My father and my mother are in the living room.

E．Yes，she is.She is in her bed now.)